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Nagashima Ohno & Tsunematsu

JP TOWER, 2-7-2 MARUNOUCHI, CHIYODA-KU, TOKYO 100-7036, JAPAN
Tel:
Work +81 3 6889 7000
Fax:
Fax +81 3 6889 8000
Email:
Web:
www.noandt.com

Ryoichi Mimura

Tel:
Work +81 3 6889 7175
Email:
Nagashima Ohno & Tsunematsu

Position

General Corporate; IP, IT and Entertainment; IP Transactions; IP Litigation; Dispute Resolution

Career

Judge of Tokyo District Court (1989-1993; IP Division, 1989-1991); Judicial Research Official of Supreme Court (IP & Civil Matters; 1993-1998); Presiding Judge of Tokyo District Court (IP Division; 1998-2005); Judge of Intellectual Property High Court (2005-2008); Judge of Tokyo High Court (2008-2009); Admitted to Bar (2009); Partner at Nagashima Ohno & Tsunematsu (2009-Present); Visiting Professor, Waseda Law School (2010-Present)

Languages

Japanese, German and English.

Member

Copyright Law Association of Japan, Japan Association of Industrial Property Law and German-Japanese Association of Jurists

Education

The University of Tokyo (LL.B., 1977); The University of Cologne (Germany) (1981-1983)


Japan: Dispute resolution

Independent local firms

Within: Independent local firms

Norimitsu Arai heads up the ‘leading’ department at Nagashima Ohno & Tsunematsu, which ‘provides a truly great service, especially in terms of responsiveness and business acumen’. With a key strength in international arbitration, the group also handles litigation in the labour and employment space (a key area of focus of Arai), IP (through Ryoichi Mimura), and product liability and environmental tort matters (thanks to the experience of the ‘responsive and thoughtfulHisaya Kimura). Recent highlights include representing Tepco in a shareholders derivative dispute relating to the Fukushima earthquake and power plant disaster, and acting for multiple banks in a suit for damages against Olympus relating to the losses incurred by its filing of false financial reports. Further clients include Merrill Lynch Japan Securities, Samsung and IBM.

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Japan: Intellectual property

Independent local firms

Within: Leading individuals: bengoshi

Ryoichi Mimura - Nagashima Ohno & Tsunematsu

Within: Independent local firms

Nagashima Ohno & Tsunematsu handles matters related to patent work, unfair competition, copyright and trade mark and design protection. The practice successfully acted for Japanese chemical engineering and manufacturing company Nichia against Tachibana Eletech in an unfair competition matter. Other clients include Alcon Research and Yamaha. Former judge at the Intellectual Property High Court Ryoichi Mimura is recommended.

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Japan: TMT

Independent local firms

Within: Independent local firms

Nagashima Ohno & Tsunematsu advises major Japanese telecoms providers and TV networks, as well as domestic and international internet, social media and gaming companies, in transactions, disputes and regulatory matters. The practice assisted Innovation Network Corporation of Japan with an exit transaction to sell all its shares in Digital Publishing Initiatives Japan. Itochu, Pioneer and Airbnb are other clients. Practice head Ryoichi Mimura, who has expertise in technology-related disputes and IP, is recommended, as is Soichiro Fujiwara.

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Legal Developments in Japan

Legal Developments and updates from the leading lawyers in each jurisdiction. To contribute, send an email request to
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